undercover international apparatus

undercover apparatus

undercover operation

work undercover

undercover agent

undercover intelligence asset

undercover movement

undercover work

investigate undercover

undercover operations

international humanitarian law (See international law of armed conflict)

International legion for the Defence of Ukraine (ILDU) / International Legion of Territorial Defence of Ukraine / Ukrainian Foreign Legion

International Military Sports Council (IMSC) / Conseil International du Sport Militaire (CISM)    

portable decontaminating apparatus

scuba (Self-Contained Underwater Breathing Apparatus)

self-contained breathing apparatus (SCBA)

acoustic detecting apparatus

boresight apparatus

hose breathing apparatus

intelligence apparatus

time-interval apparatus

fresh-air hose breathing apparatus

oxygen-breathing apparatus

water-recovery apparatus

autonomous breathing apparatus

dew-point apparatus

simplified electronic tracking apparatus

fog-dispersal apparatus

self-contained open-circuit breathing apparatus

address apparatus

wet sand-blasting apparatus

line testing apparatus

smoke apparatus